+/*
+ * Copyright (C) 2011 Andy Spencer <andy753421@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Windowing system interface:
+ *
+ * The sys provides input to the window manager. It creates
+ * the main loop and responds to input events from the user,
+ * generally by converting them to a system independent form
+ * and then passing them to the wm.
+ *
+ * The sys also provides the API used by the wm to position
+ * and control windows. */
+
+
+/* Basic window type */